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4
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English
Outdoor Unit Installation Drawings
9-7/8 (250) from wall
How to remove the stop
valve cover.
Remove the screw on the
stop valve cover.
Slide the lid downward
to remove it.
How to attach the stop
valve cover.
Insert the upper part of
the stop valve cover into the
outdoor unit to install.
Tighten the screws.
Stop valve cover
Allow space for piping
and electrical servicing.
(Foot bolt-hole
centers)
CAUTION
**Set the piping length
from 4.92ft (1.5m) to
65.6ft (20m).
Where there is a danger of
the unit falling, use foot bolts,
or wires.
In sites with poor drainage,
use block bases for outdoor
unit.
Adjust foot height until the
unit is leveled. Otherwise,
water leakage or pooling of
water may occur.
(Foot bolt-hole centers)
(From unit’s side)
Max. allowable piping height
Min. allowable piping length
Max. allowable piping length 65.6ft (20m)
4.92ft (1.5m)
49.2ft (15m)
Liquid pipe
Gas pipe
O.D. 1/4 inch (6.4mm)
O.D. 3/8 inch (9.5mm)
0.21oz/ft (20g/m)
Additional refrigerant
required for refrigerant
pipe exceeding
32.8ft (10m) in length.
**
*
*
Be sure to add the proper amount of additional refrigerant.
Failure to do so may result in reduced performance.
**
The suggested shortest pipe length is 4.92ft (1.5m), in order to avoid
noise from the outdoor unit and vibration.
(Mechanical noise and vibration may occur depending on how
the unit is installed and the environment in which it is used.)
When connecting the FDXS12 indoor unit, the shortest piping length
should be no less than 9.84ft (3m).
unit : inch (mm)
22-5/8 (574)
4-1/8
(105.5)
12-1/4 (311)
Wrap the insulation
pipe with the finishing
tape from bottom to top.
Allow 11-13/16 inch (300mm)
of work space below the
ceiling surface.
01_EN_3P300674-1B.indd 4 8/28/2012 5:50:59 PM
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